title: Central low-grade osteosarcoma with pagetoid bone formation: a potential diagnostic pitfall.
mesh_terms: D001859:Bone Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D010001:Osteitis Deformans / Q000000981:diagnostic imaging* / Q000473:pathology*; D012516:Osteosarcoma / Q000000981:diagnostic imaging* / Q000473:pathology*; D011859:Radiography; D013977:Tibia / Q000000981:diagnostic imaging / Q000473:pathology